Release Notes

Version 2.0.6 - March 2026

Complete rewrite of MV-Plan as a modern web application, replacing the legacy Java desktop application.

What's new:

  • Modern, fast and intuitive user interface built with web technologies
  • Available on Android (Google Play) and iPhone/iPad (App Store)
  • Closed circuit rebreather (CCR) support with setpoints, multiple diluents and full bailout planning
  • Multi-level dive profile support with multiple depth changes and gas switches
  • Interactive visual dive profile with ceiling overlay and tissue saturation display
  • Safety monitoring: CNS/OTU oxygen toxicity, narcosis (END), gas density alerts, ICD risk
  • Gas volume planning with configurable RMV for bottom, deco and stress phases
  • PDF export and sharing directly from your device
  • Save, import and export dive plans as JSON
  • Gradient factor presets for quick configuration
  • Altitude compensation up to 4000m
  • Dark and light themes
  • 6 languages: English, French, German, Spanish, Italian, Polish
  • No ads, no account required, no data collection

Algorithms:

  • Buhlmann ZHL16B and ZHL16C with gradient factor conservatism

Legacy Java versions

Version 1.8.0 - 10-May-2021

The main target was to update toolkit and font size for big screen resolutions !

Version 1.6.0-TESTS - 10-Sept-2019

  • Project restart from old sources found on https://github.com/firegnom/mvplan
  • Change font size
  • Change O2/He order on "new gas" popup

Version 1.5.2 - 25-Dec-2010

  • New option to select ZHL16B or ZHL16C models
  • Fixed display issues on Snow Leopard
  • Fixed gas entry dialog rounding

Version 1.5.1 - 26-Aug-2009

  • FIxed an issue that caused certain gas mixtures to display incorrectly, e.g. 19/29 displays as 19/28. Probably doue to some floating point issues in the latest JVM.
  • Enabled conservatism factors via configuration file to approximate OSTC algoritm. See manual page 30.

Version 1.5 - 7-Jun-2008

  • ppO2 slider for MOD selection on Gas screen added
  • Unit switching on Preference screen fixed

Version 1.4.4 - 13-May-2007

  • Italian Language pack added (thanks to Maurizio Lucchini)
  • Added Windows XP look and feel support

Version 1.4.3 - 6-May-2007

  • Fixed problem with Conditions Acceptance dialog (again).

Version 1.4.2 - 1-Dec-2006

  • Changed gas selection logic to skip gases that are not required
  • French language pack added (thanks to Didier A. Defay)

Version 1.4.1 - 13-Sep-2006

  • Ascent rate adjustment enabled
  • Fixed problem with Conditions Acceptance dialog

Version 1.4 - 13-Jul-2006

  • Open source release
  • Numerous user interface improvements
  • Tissue status display

Version 1.3.1 - 9-Jun-2006

  • Fixed input validation error on Preferences dialog

Version 1.3 - 23-May-2006

  • Support for imperial measurements (feet and cuft)
  • Support for altitude adjustments
  • Adjustment to gradient factor calculation for first deco stop
  • Internationalised for mutiple language support.

Version 1.2.1 - 6-Apr-2006

  • Selection of dive segment and bug fixes with complex Multi-dive tables
  • Fixed problem with Show Colour checkbox being disabled
  • Corrected online version check default URL
  • Added internationalisation framework (partially complete)

Version 1.2 - 9-Dec-2005

  • Multi-dive table function added
  • Print preview window improved with more options
  • On-line update checking
  • Re-worked display formats for consistency
  • Java version check on startup
  • Checks for never ending deco conditions

Version 1.1 - 23-Jun-2005

  • Closing the main window now saves preferences
  • Added font size preference
  • Reversed the display of Trimix names (to O2/He)
  • Fixed some small display issues

Version 1.0 - 26-May-2005

  • Initial full release